The PS DDR interface includes a feature called address copy to reduce loading on the address/command bus when operating in LPDDR4 mode. A[5:0] are replicated on A[15:10] to allow fewer loads on the CA bus (Table: LPDDR4 Address Copy).
The PS DDR interface includes a feature called address copy to reduce loading on the address/command bus when operating in LPDDR4 mode. A[5:0] are replicated on A[15:10] to allow fewer loads on the CA bus (Table: LPDDR4 Address Copy).